Episode 4 - Frame Evaluation

Episode 4 of the core.py podcast, hosted by Pablo Galindo and Łukasz Langa, titled "Episode 4 - Frame Evaluation" was published on November 29, 2023 and runs 73 minutes.

November 29, 2023 ·73m · core.py

0:00 / 0:00

Summary

What makes Python an interpreter? Today we're talking about ceval.c, the wonders of frame evaluation, and how it changed over the years. # Timestamps (00:00:00) INTRO (00:00:59) BACK TO PYTHON 2.6 (00:02:53) Stack virtual machine (00:04:41) First encounter with opcodes (00:08:06) What even is frame evaluation? (00:12:51) Stack! Which stack? (00:15:46) PRESENT DAY (00:16:41) Computed gotos (00:21:22) PEP 523: JIT me, maybe (00:26:53) Let's generate the interpreter (00:29:08) The JIT is coming (00:33:13) Python function call inlining (00:37:23) Instrumentation: DTrace, PEP 669 (00:41:50) lltrace and pystats (00:44:02) Eval breaker (00:47:54) Signal handling (00:50:47) Recursion limits (00:54:27) String concatenation special case (00:58:24) WHAT'S GOING ON IN CPYTHON? (00:58:42) 3.12.0a2 (00:59:12) Critical section API adoption (00:59:34) PyOnceFlag (01:00:28) PyDict_GetItemRef() (01:03:36) PyList_Extend() and PyDict_Pop() (01:04:18) Parser: better error messages for non-matching elif/else (01:05:39) glob.translate() (01:07:22) TLS-PSK in the ssl module (01:08:35) IDLE debugger improvements (01:10:50) First micro-op in the Tier 2 interpreter (01:11:18) OUTRO

Episode Description

What makes Python an interpreter? Today we're talking about ceval.c, the wonders of frame evaluation, and how it changed over the years.

# Timestamps

(00:00:00) INTRO

(00:00:59) BACK TO PYTHON 2.6

(00:02:53) Stack virtual machine

(00:04:41) First encounter with opcodes

(00:08:06) What even is frame evaluation?

(00:12:51) Stack! Which stack?

(00:15:46) PRESENT DAY

(00:16:41) Computed gotos

(00:21:22) PEP 523: JIT me, maybe

(00:26:53) Let's generate the interpreter

(00:29:08) The JIT is coming

(00:33:13) Python function call inlining

(00:37:23) Instrumentation: DTrace, PEP 669

(00:41:50) lltrace and pystats

(00:44:02) Eval breaker

(00:47:54) Signal handling

(00:50:47) Recursion limits

(00:54:27) String concatenation special case

(00:58:24) WHAT'S GOING ON IN CPYTHON?

(00:58:42) 3.12.0a2

(00:59:12) Critical section API adoption

(00:59:34) PyOnceFlag

(01:00:28) PyDict_GetItemRef()

(01:03:36) PyList_Extend() and PyDict_Pop()

(01:04:18) Parser: better error messages for non-matching elif/else

(01:05:39) glob.translate()

(01:07:22) TLS-PSK in the ssl module

(01:08:35) IDLE debugger improvements

(01:10:50) First micro-op in the Tier 2 interpreter

(01:11:18) OUTRO

Share this episode

Similar Episodes

No similar episodes found.

Similar Podcasts

Mums with Bright Ideas Melissa Pye Mums with Bright Ideas Podcast is for Mums looking for inspo and know-how to start and grow their own business. The Host, Melissa Pye, is a straight shooter and doesn't shy away from asking probing questions to get to the core of what life is really like as a biz owner.Melissa's guests are Mums at different stages of their biz journey who share their story, warts and all. Melissa adopts what she calls a "No Peacocking Policy" so that listeners will always get the real story. To help Mums on their biz journey, Melissa also interviews subject matter experts on finance, marketing, operations, HR and just about anything that will help a biz grow.Melissa has 30 years biz experience, half of that in senior marketing roles in Australia and Asia working with brands including Hyundai, Audi, Jaguar, Optus and Westin Hotels. Melissa launched her first biz 15 years ago and has never looked back! Her latest biz, The LightBulb Lounge, provides courses and a community for Mums starting their bi Sean vigue fitness Sean Vigue Fitness Features world class Yoga, Pilates and core workouts with personal training and fun bootcamps from central Florida’s premier fitness instructor - Sean Vigue. Find eating tips and the most current health and fitness news. Videos updated weekly.Check out my award winning Pilates for Men workout on my website.www.seanviguefitness.com www.facebook.com/seanvigue Core EM - Emergency Medicine Podcast Core EM Core EM Emergency Medicine Podcast Core IM | Internal Medicine Podcast Core IM Team Core Internal Medicine via following series:5 Pearls || Clinically relevant pearls Mind the Gap || Why do we do what we do?Gray Matters || Management ReasoningHoofbeats || Dissecting clinical reasoningAt the Bedside || Explore everyday challenges